Provide an appropriate response.
A bag of fertilizer weighs 40 pounds. What is its weight in kilograms?
A. 18 kilograms
B. 1,800 kilograms
C. 1.4 kilograms
D. 88 kilograms
Answer: A
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Perform the indicated operations. Write answers using only positive exponents. Assume variables represent positive real numbers.7a3/4 ? 7a-23/4
A. 
B. 
C. 
D. 7a-20
Solve the problem.A nuclear scientist has a sample of 
of a radioactive material which has a half-life in hours. She monitors the amount of radioactive material over a period of a day and obtains the following data. Use a graphing utility to fit an exponential function to the data. Predict the amount of material remaining at 40 hours.
.
A. y = 100e-0.077x, 6.7 mg B. y = 100e-0.077x, 4.6 mg C. y = 86e-0.071x, 5.0 mg D. y = 92e-0.0686x, 5.9 mg
Solve the problem.The area of a parallelogram is 25x3 + 60x2 + 40x + 7. Find a polynomial that expresses the height if the base is 5x + 7.
A. 5x2 + 5x + 7 B. 5x2 + 10x + 1 C. 5x2 + 5x + 1 D. 10x2 + 5x + 1
Write the decimal in words.0.85
A. Eighty-five thousandths B. Eighty-five ten-thousandths C. Eighty-five tenths D. Eighty-five hundredths